HealthSmart® Ear Thermometer Probe Cover, 1 Box of 45 Foam Mattresses System includes device lead wires Style:1 Pair (Left & Right) System includes device lead wires four self adhesive reusable electrodes 9V battery hard plastic carrying case and instruction manual * 3 Modes: Standard Modulate and Burst * Dual Channel * 30 and 60 minutes or continuous timer * Adjustable Pulse Width: 50 250 Microseconds * Pulse Rate: 2 150 Hz * Pulse Amplitude: 0 80 mA each channel * Waveform: Asymmetrical biphasic square pulse * One year warranty * FDA approved s shape * Mesh center allows for increased air circulation to keep you cooler * Flexible design allows for use at home in the office or car and is easily folded into luggage * Lightweight and portable * Hypoallergenic cover can be removed and spot washed * Use together with any Obusforme backrest support * Item measures 18´ L x 17 W x 2 H * Endorsed by the Canadian Chiropractic Association * For use with HealthSmart® Standard Digital Ear Thermometer